<clickhouse>
    <dictionary>
        <name>dep_x</name>
        <source>
            <clickhouse>
                <host>localhost</host>
                <port>9000</port>
                <user>default</user>
                <password></password>
                <db>dict</db>
                <table>dep_z</table>
            </clickhouse>
        </source>
        <!-- ExternalLoader::PeriodicUpdater::check_period_sec=5 anyway -->
        <lifetime>4</lifetime>
        <layout>
            <flat/>
        </layout>
        <structure>
            <id>
                <name>id</name>
            </id>
            <attribute>
                <name>a</name>
                <type>String</type>
                <null_value>XX</null_value>
            </attribute>
        </structure>
    </dictionary>
</clickhouse>
